Engineered for high-stress applications and heavy-duty industrial use, the 1/2"-20 Grade 8 Finished Hex Nut offers superior strength and reliability. Manufactured from high-carbon alloy steel and quenched and tempered for maximum durability, these nuts are designed to withstand significant tension and shear forces. With a proof load significantly higher than standard Grade 2 or Grade 5 fasteners, they are the ideal choice for automotive, structural, and heavy machinery projects where safety and structural integrity are non-negotiable. This hex nut features a fine thread pitch (20 threads per inch), providing increased vibration resistance and finer adjustment capabilities compared to coarse threads. To ensure long-lasting performance in demanding environments, each nut is treated with a yellow zinc dichromate finish. This specialized coating serves two purposes: it provides an added layer of corrosion and rust resistance and offers a distinct golden hue for easy identification as a Grade 8 fastener. Whether you are performing chassis work, securing heavy equipment, or managing high-torque industrial assemblies, the SKU 1136460 hex nut delivers the professional-grade fastening power you require. Designed to meet strict industry standards, these hex nuts ensure a precise fit and a secure hold, giving you peace of mind that your assembly will remain intact under the toughest conditions.